Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
transpolar is an adjective meaning "extending across or crossing either pole". It carries one recorded sense.
extending across or crossing either pole
“transpolar air routes”
Definitions, synonyms and semantic relations for transpolar come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.